การใช้ For , since , and ago
การใช้ For , since , and ago
We use for and since to say how long
A:
- Rachel is in Brazil. She has been there since Monday
เราใช้ for กับ since ต่างกันอย่างไร มาดูกันค่ะ!
B: ago
ago = before now
- Ji Yoo started her new job three weeks ago. (=three weeks before now)
- "When did Tom go out?" :Ten minute ago" (= ten minute before now)
- I had dinner an hour ago.
- Life was very different a hundred years ago.
Compare ago and for
- When did Rachel arrive in Brazil?
She arrived in Brazil three days ago.
- How long has she been in Brazil?
She has been in Brazil for three days.
Reference : Basic Grammar in use
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